Home / 11,613.04-17,421.72-3,822.40

Finding the Fourth Proportional to 11,613.04, 17,421.72 and 3,822.40

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Solution

The fourth proportional to 11,613.04, 17,421.72 and 3,822.40 is: 5,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.04 : 17,421.72 = 3,822.40 : x
  2. Step 2: Convert to fraction form
    11,613.04/17,421.72 = 3,822.40/x
  3. Step 3: Cross multiply
    11,613.04x = 17,421.72 × 3,822.40
  4. Step 4: Simplify right side
    11,613.04x = 66,592,782.53
  5. Step 5: Solve for x
    x = 66,592,782.53/11,613.04
  6. Step 6: Final answer
    x = 5,734.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.